East of England
Trail Running Calendar East of England 2026-2027
Explore the best trail runs in East of England for 2026-2027! Our updated list features 183 exciting trail runs across the region. Find your next trail run in East of England below and join the trail community at these great events!
September 2026
A sunset trail event at Ickworth Park offering 5K and 10K routes across limestone paths, woodland and meadows. The 10K is chip timed, all finishers receive a medal and the event operates as cupless with water refill points.
Muddy obstacle run in Brentwood, Essex with 5 km and 1.5 km family options, obstacles, hot wash-downs and a finisher medal.
A women only 5 km muddy obstacle course in Brentwood, Essex that welcomes all ages and abilities with no chip timing and finish-line wash downs and a finisher medal.
A 12 hour ultra at Heartwood Forest where solo runners and relay teams complete four mile loops to cover the greatest distance.
An inaugural off road half marathon through Donyland Woods, Friday Woods and nearby countryside on Sunday 6th September. Entries were handled online and the event is listed as sold out with 26 entrants.
A community 10 km road race in Takeley held each September, with a 1 mile children's fun run, chip timing, medals and technical shirts.
A flexible, timed lap event at Grafham Water themed on Fire. Runners choose how many 5.3 km laps to complete on mainly tarmac and gravel paths and receive a bespoke finishers' medal.
Evening 10 km trail run at Trifarm on mostly off road public footpaths and bridleways, part of a four race 2026 series with GPX route and on site parking.
Measured off road 5 kilometre run at Westley Heights Country Park, part of Pitsea RCs seven race Crown to Crown 2026 series with on course safety cover and varied entry rates.
A 50 km trail ultra along the Boudicca Way from Diss to Norwich, passing historic Iceni sites and Caistor Roman Town with an overall 10 hour time limit.
Backyard Ultra at High Lodge, Thetford Forest, where runners complete a 4.167 mile loop each hour until one remains; 6 and 12 hour time limited options are available.
A charity ultramarathon along the Thames from Upminster to Southend offering 10, 30 and 50 mile routes on mainly tarmac and hard trails. Organised by c2c to raise funds for Prostate Cancer UK with checkpoints and on-course medical support.
A UK trail and ultra series offering fully marked, fully supported races with generous cut-offs and runnable countryside courses.
An 81 mile, 24 hour ultra on the John Bunyan Trail through Bedfordshire with seven aid stations, live tracking and guided recce weekends.
Phoenix Running Bedfordshire's Pick n Mix on 12 September 2026 uses a 5.3 km lapped course at Mowsbury Park. Runners choose distances from 5 km up to ultra with a flexible one hour start window and a seven hour time limit.
A 10 km trail race in Sandridge, St Albans on 13 September 2026, starting and finishing at Sandridge Primary School playing field. Organizers publish route information and FAQs, and the event is supported by Sandridge Parish Council.
Timed off road 5 km and 10 km footpath races in Fyfield, Essex supporting the local Scout group with options for a souvenir tee or tree sponsorship.
Community races on 13 September 2026 in Dedham offering a 10K road, a new 10K trail and a 3K fun run to raise funds for Dedham Primary School.
A lapped 7 hour trail event on a 5K loop in Hitchin with a Mini Mile and virtual option, event village, aid station and post event massage.
A multi-distance running event at Hockwold Hall with a 5.3 km loop through landscaped estate grounds and roaming peacocks, offering distances from 5k up to an ultra.